2^4 Ridgway, Neiv Species of American Birds. 



LJuly 



NEW SPECIES, ETC., OF AMERICAN BIRDS.— IV. 

 FRINGILLIM: (Concluded); CORVIDiE (Part). 



BY ROBERT RIDGWAY. 



Curator of the Division of Birds, U. S- National Museum. 



(By permission of the Secretary of the Smithsonian Institution.) 



Pipilo maculatus atratus. Sax Diego Towhee. 



Similar to P. m. megalonyx but decidedly darker, with white markings 

 of wings and tail more restricted; adult male continuously deep black 

 above (except for the usual white markings), even the rump being deep 

 black," instead of more or less conspicuously grayish; adult female with 

 throat and chest very dark clove brown or sooty black, and general color 

 of upper parts deep clove brown. 



Southern coast district of California, south of Sierra San Fernando 

 and Sierra San Gabriel, and south into Lower California. 



Type, No. 159474, U. S. Nat. Mus., $ ad., Pasadena, Los Angeles Co., 

 California, Feb. 8, 1896; Joseph Grinnell. 



Pipilo fuscus potosinus. Barranca Towhee. 



Similar to P. fuscus but larger, paler, and grayer, the pileum paler and 

 more frequently tinged with rusty brown ; buff of gular area paler, with 

 surrounding dusky triangular spots averaging smaller and not so black; 

 color of under tail-coverts, etc., slightly paler (dull ochraceous or ochra- 

 ceous-buff rather than cinnamon-tawny). 



Central plateau of Mexico, from States of Puebla, Vera Cruz (_ western 

 edge), Hidalgo, San Luis Potosi, Guanajuato, etc., northwestward to 

 southern Chihuahua. 



Type, No. 78106, U. S. Nat. Mus., $ ad., Guanajuato, Mexico: A. 

 Duges. 



Aimophila rufescens sinaloa. Sixaloa Sparrow. 



Similar to A. r. pallida but back and scapulars decidedly paler and 

 grayer, under parts more buffy (chin, throat, and malar stripe pale buffy 



